:root {
  --color-canvas: #F5F3EF;
  --color-ink: #242628;
  --color-spark: #C86B49;
  --color-calm: #607466;
  --color-glass: rgba(245, 243, 239, 0.82);
  --color-border: rgba(36, 38, 40, 0.12);
  --color-overlay: rgba(36, 38, 40, 0.55);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --shadow-soft: 0 4px 24px rgba(36, 38, 40, 0.08);
  --shadow-glass: 0 8px 32px rgba(36, 38, 40, 0.12);
  --transition-fast: 0.3s ease;
  --transition-slow: 0.5s ease;
  --max-width: 72rem;
  --header-height: 4.5rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-ink);
  background-color: var(--color-canvas);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

a {
  color: var(--color-spark);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover,
a:focus-visible {
  color: var(--color-calm);
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
}

h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
}

h3 {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
}

p {
  margin-bottom: var(--space-md);
}

p:last-child {
  margin-bottom: 0;
}

main {
  flex: 1;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.section-block {
  padding-block: var(--space-xl);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-lg);
  max-width: 42rem;
  margin-inline: auto;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-spark);
  margin-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-spark);
  padding-bottom: var(--space-xs);
}

.grid-two {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.grid-three {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.grid-asymmetric {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-lg);
  align-items: center;
}

.card-panel {
  background: var(--color-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.card-panel:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glass);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-canvas);
  background: var(--color-spark);
  border: 2px solid var(--color-spark);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: transparent;
  color: var(--color-spark);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  color: orangered;
  background: transparent;
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: var(--color-ink);
  color: var(--color-canvas);
}

.site-header {
  position: relative;
  z-index: 100;
  background: var(--color-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin-inline: auto;
  padding: var(--space-md);
  min-height: var(--header-height);
  gap: var(--space-md);
}

.brand-text {
  font-family: var(--font-display);
  font-size: clamp(0.875rem, 2.5vw, 1.125rem);
  font-weight: 700;
  color: var(--color-ink);
  text-decoration: none;
  letter-spacing: -0.01em;
  flex-shrink: 0;
}

.brand-text:hover {
  color: var(--color-spark);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.primary-nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-ink);
  text-decoration: none;
  position: relative;
  padding-bottom: var(--space-xs);
}

.primary-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-spark);
  transition: width var(--transition-fast);
}

.primary-nav a:hover::after,
.primary-nav a:focus-visible::after {
  width: 100%;
}

.primary-nav a:hover {
  color: var(--color-spark);
}

.burger-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  background: transparent;
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: var(--space-sm);
  flex-shrink: 0;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.burger-toggle:hover,
.burger-toggle:focus-visible {
  border-color: var(--color-spark);
  background: rgba(200, 107, 73, 0.08);
}

.burger-line {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: var(--color-ink);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.burger-toggle.is-active .burger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger-toggle.is-active .burger-line:nth-child(2) {
  opacity: 0;
}

.burger-toggle.is-active .burger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-overlay);
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

.mobile-nav-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: min(20rem, 85vw);
  height: 100vh;
  background: var(--color-canvas);
  z-index: 210;
  padding: var(--space-xl) var(--space-lg);
  transform: translateX(100%);
  transition: transform var(--transition-fast);
  border-left: 1px solid var(--color-border);
  overflow-y: auto;
}

.mobile-nav-panel.is-open {
  transform: translateX(0);
}

.mobile-nav-close {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin-bottom: var(--space-lg);
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.mobile-nav-list a {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-ink);
  text-decoration: none;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition-fast);
}

.mobile-nav-list a:hover {
  color: var(--color-spark);
}

.hero-banner {
  position: relative;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  min-height: clamp(22rem, 55vh, 32rem);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    135deg,
    rgba(36, 38, 40, 0.72) 0%,
    rgba(96, 116, 102, 0.55) 50%,
    rgba(200, 107, 73, 0.35) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  max-width: 48rem;
}

.hero-content h1 {
  color: var(--color-canvas);
  margin-bottom: var(--space-md);
}

.hero-content p {
  color: rgba(245, 243, 239, 0.92);
  font-size: clamp(1rem, 2vw, 1.125rem);
  margin-bottom: var(--space-lg);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
}

.stat-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  justify-content: center;
  margin-top: var(--space-lg);
}

.stat-item {
  text-align: center;
  padding: var(--space-md) var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-glass);
  min-width: 8rem;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-spark);
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--color-ink);
  opacity: 0.8;
}

.track-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: var(--space-md);
}

.track-card {
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-sm);
  padding: var(--space-lg);
  background: var(--color-canvas);
  position: relative;
}

.track-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--color-calm);
}

.track-card.is-active::before {
  background: var(--color-spark);
}

.track-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.track-participation {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-calm);
}

.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--color-border);
  border-radius: 3px;
  margin-top: var(--space-sm);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--color-calm);
  border-radius: 3px;
  transition: width var(--transition-slow);
}

.progress-fill[data-progress="64"] {
  width: 64%;
}

.progress-fill[data-progress="78"] {
  width: 78%;
}

.progress-fill[data-progress="92"] {
  width: 92%;
}

.progress-fill[data-progress="81"] {
  width: 81%;
}

.progress-fill[data-progress="68"] {
  width: 68%;
}

.progress-fill[data-progress="73"] {
  width: 73%;
}

.progress-fill[data-progress="76"] {
  width: 76%;
}

.progress-fill[data-progress="82"] {
  width: 82%;
}

.progress-fill[data-progress="89"] {
  width: 89%;
}

.quote-block {
  text-align: center;
  padding: var(--space-xl);
  border-top: 2px solid var(--color-ink);
  border-bottom: 2px solid var(--color-ink);
  margin-block: var(--space-lg);
}

.quote-block p {
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  font-style: italic;
  color: var(--color-ink);
}

.visual-frame {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  aspect-ratio: 4 / 3;
  max-height: 18rem;
}

.visual-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.modeler-panel {
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  background: linear-gradient(160deg, rgba(245, 243, 239, 1) 0%, rgba(96, 116, 102, 0.08) 100%);
}

.modeler-controls {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.control-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.control-group input[type="range"] {
  width: 100%;
  accent-color: var(--color-spark);
}

.control-value {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-spark);
  margin-top: var(--space-xs);
}

.modeler-output {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.output-metric {
  text-align: center;
  padding: var(--space-md);
  background: var(--color-glass);
  border-radius: var(--radius-sm);
}

.output-metric strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-calm);
  margin-bottom: var(--space-xs);
}

.product-card {
  text-align: center;
}

.product-image {
  aspect-ratio: 1 / 1;
  max-height: 14rem;
  margin-inline: auto;
  margin-bottom: var(--space-md);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.product-price {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-spark);
  margin-top: var(--space-sm);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-field label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 0.75rem var(--space-md);
  font-family: var(--font-body);
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-canvas);
  color: var(--color-ink);
  transition: border-color var(--transition-fast);
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-spark);
}

.form-field textarea {
  min-height: 8rem;
  resize: vertical;
}

.consent-field {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.875rem;
}

.consent-field input {
  margin-top: 0.25rem;
  accent-color: var(--color-spark);
}

.contact-info-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.info-item i {
  color: var(--color-spark);
  font-size: 1.125rem;
  margin-top: 0.15rem;
}

.map-container {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  aspect-ratio: 16 / 9;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.site-footer {
  background: var(--color-ink);
  color: var(--color-canvas);
  padding: var(--space-lg) var(--space-md);
  margin-top: auto;
}

.footer-inner {
  max-width: var(--max-width);
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-nav a {
  font-size: 0.8125rem;
  color: rgba(245, 243, 239, 0.85);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-nav a:hover {
  color: var(--color-spark);
}

.footer-copy {
  width: 100%;
  text-align: center;
  font-size: 0.75rem;
  color: rgba(245, 243, 239, 0.6);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(245, 243, 239, 0.15);
  margin-top: var(--space-sm);
}

.privacy-popup {
  position: fixed;
  bottom: var(--space-md);
  left: var(--space-md);
  right: var(--space-md);
  max-width: 28rem;
  margin-inline: auto;
  background: var(--color-canvas);
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  z-index: 300;
  box-shadow: var(--shadow-glass);
  transform: translateY(120%);
  transition: transform var(--transition-slow);
}

.privacy-popup.is-visible {
  transform: translateY(0);
}

.privacy-popup p {
  font-size: 0.875rem;
  margin-bottom: var(--space-md);
}

.privacy-popup-actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.legal-content {
  max-width: 48rem;
  margin-inline: auto;
}

.legal-content h2 {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-md);
  font-size: 1.25rem;
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content ul {
  list-style: disc;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-md);
}

.legal-content li {
  margin-bottom: var(--space-sm);
}

.legal-date {
  font-size: 0.875rem;
  color: var(--color-calm);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.error-page {
  text-align: center;
  padding: var(--space-2xl) var(--space-md);
  min-height: 50vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.error-code {
  font-family: var(--font-display);
  font-size: clamp(4rem, 15vw, 8rem);
  font-weight: 700;
  color: var(--color-spark);
  line-height: 1;
}

.thankyou-block {
  text-align: center;
  max-width: 36rem;
  margin-inline: auto;
  padding: var(--space-2xl) var(--space-md);
}

.thankyou-icon {
  font-size: 3rem;
  color: var(--color-calm);
  margin-bottom: var(--space-lg);
}

.download-card {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-lg);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}

.download-card:hover {
  border-color: var(--color-spark);
}

.download-preview {
  width: 5rem;
  height: 7rem;
  background: var(--color-canvas);
  border: 1px solid var(--color-ink);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.download-preview i {
  font-size: 1.5rem;
  color: var(--color-calm);
}

.cadence-metric {
  text-align: center;
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(96, 116, 102, 0.06) 0%, transparent 100%);
}

.cadence-metric strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  color: var(--color-calm);
  margin-bottom: var(--space-xs);
}

.hub-category {
  margin-bottom: var(--space-xl);
}

.hub-category-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-ink);
}

.hub-category-header h3 {
  flex: 1;
}

.mode-badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-sm);
  background: var(--color-calm);
  color: var(--color-canvas);
}

.mode-badge.is-personal {
  background: var(--color-spark);
}

.inline-banner {
  position: relative;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  min-height: clamp(14rem, 30vh, 20rem);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-block: var(--space-lg);
}

.inline-banner .hero-bg,
.inline-banner .hero-overlay {
  position: absolute;
  inset: 0;
}

.inline-banner .hero-content {
  position: relative;
  z-index: 2;
}

.inline-banner .hero-content h2 {
  color: var(--color-canvas);
  margin-bottom: var(--space-sm);
}

.inline-banner .hero-content p {
  color: rgba(245, 243, 239, 0.9);
  font-size: 1rem;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.feature-item {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  padding: var(--space-md);
  border-left: 3px solid var(--color-calm);
}

.feature-item i {
  color: var(--color-spark);
  font-size: 1.125rem;
  margin-top: 0.2rem;
}

@media (max-width: 1023px) {
  .primary-nav {
    display: none;
  }

  .burger-toggle {
    display: flex;
  }
}

@media (max-width: 768px) {
  .grid-two,
  .grid-three,
  .grid-asymmetric,
  .modeler-controls,
  .modeler-output,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .section-block {
    padding-block: var(--space-lg);
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .download-card {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .header-inner {
    padding: var(--space-sm) var(--space-md);
  }

  .stat-row {
    flex-direction: column;
    align-items: center;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-nav {
    justify-content: center;
  }
}